What is the patent of Apple linear motor?

Invention patent: refers to a new technical scheme proposed for a product, method or its improvement.

Patent for utility model: refers to a new technical scheme suitable for practical use for the shape, structure or combination of products.

Design patent: refers to a new design based on the shape, pattern or combination of products and the combination of colors, shapes and patterns, which is aesthetic and suitable for industrial application.

According to the above three types of analysis, it should belong to the utility model patent.